CBSE 12th board exams 2023 start in two weeks. (Image Credits: pexels.com)
High Scoring CBSE 12th Physics Chapters: The Central Board of Secondary Education (CBSE) is conducting the 12th board examination in 2 weeks. All candidates must register on the CBSE portal to appear for the CBSE 12th board exam. There are distinct CBSE class 12 exam registration methods for regular and private candidates.
CBSE class 12 theory exam will commence on Feb 15, 2023 and conclude on Apr 5, 2023. Students should download the CBSE class 12 date sheet 2023 from the official website. Few of the important CBSE Board Exams 2023 dates are as folllows.
| Events |
Date |
| Practical exam date |
2nd January 2023 - 14th February 2023 (regular schools) |
| Theory exam date |
15th February 2023 - 5th April 2023 |
| Registration form date |
August 2022 |
| Last date to send the list of candidates |
31st August 2022 |
| Admit card release date |
First week of February 2023 (tentative) |
| Result date |
2nd week of July 2023 (tentative) |
| Result re-check/Revaluation |
June/July 2023 (tentative) |
| Supplementary/ Compartment exam date |
3rd week of August 2023 (tentative) |
Also Read: CBSE 12th 2023 Begin in 15 Days: Check High Scoring CBSE 12th Chemistry Chapters
High Scoring CBSE 12th Physics Chapters
The exams are usually conducted once a year by the Central Board of Secondary Education. Therefore, candidates must prepare the High scoring CBSE 12th Physics chapters to score well in the exam. The High Scoring CBSE 12th Physics Chapters are as follows.
| High Scoring CBSE 12th Physics Chapters |
Topics |
| Electrostatics |
- Coulomb’s Law of Vector
- Forces between multiple charges electric field due to system of charges
- Electric dipole in the external electric field
- Electric dipole’s electric field on the axial and equatorial point
- Gauss’s law of applications
|
| Electrostatic Potential and Capacitance |
- Equipotential surfaces
- Potential due to electric dipole and system of charges
- Electric potential energy due to electric dipole and system of charges
- Effect of dielectric on capacitors
- Energy stored in capacitors
- Combinations of capacitors
|
| Current Electricity |
- Ohm’s Law
- Limitations of ohm’s law
- Combination of resistors
- Combination of cells
- The resistivity of different materials
- Meter bridge
- Kirchhoff’s law (Definitions and Numericals)
- Potentiometer (Numericals are expected in board exams)
|
| Moving Charges and Magnetism |
- Motion in a magnetic field
- Magnetic force on current-carrying wire (Theory and Derivation)
- Magnetic-field on the axis of the circular current-carrying loop
- Cyclotron (Diagram, Theory and Derivation)
- Velocity selector
- The force between two parallel current-carrying wires
- Ampere’s circuital law
- Torque on current-carrying loop in a magnetic field
- Moving coil galvanometer
|
| Magnetism and Matter |
- Electric dipole in a uniform magnetic field
- The axial magnetic field of a bar magnet as solenoid
- Hysteresis Loop
- Diamagnetic, Paramagnetic, Ferromagnetic Substances
|
| Electromagnetic Induction |
- Lens law
- Magnetic flux
- Motional EMF
- Faraday’s law of induction
- Self-inductance and mutual inductance
|
| Alternating Current |
- RC, LC, LR and LCR Circuits (Numericals and Derivation)
- LC oscillations (Numericals and Derivation)
- Power factor
- Transformers
- Resonance and Sharpness
|
| Electromagnetic Waves |
- EM waves
- Displacement Current
- Nature of em waves
|
| Ray Optics and Optical Instruments |
- Image formation by spherical mirrors
- Image formation by spherical lenses
- Power and combination of lenses
- Total internal reflection
- Natural phenomenon due to light (Definition and Numericals)
- Refraction through a Prism (Ray diagram, Numericals and Derivation)
- Eye
- Microscope
- Telescope
|
| Wave optics |
- Incoherent and coherent waves addition
- Reflection and refraction of plane waves using Huygen principle
- Interference and Young’s double-slit experiment
- Diffraction of light
- Polarisation by scattering
- Resolving power of optical Instruments
|
| Dual Nature of Radiation and Matter |
- Photoelectric effect
- de Broglie hypothesis
- Davisson and Germer experiment
- Einstein photoelectric equation
|
| Atoms |
- Atomic spectra
- Electron Orbits
- de-Broglie explanation of Bohr’s postulate
- Bohr Model of a Hydrogen atom
- Line spectra of a Hydrogen atom
|
| Nuclei |
- Nuclear binding energy (Definition and Numericals)
- Radioactivity
- Radioactive decays
|
|
Semiconductor Electronics: Materials, Devices and Simple Circuits
|
- Intrinsic semiconductors
- Extrinsic semiconductors
- p-n Junction diode
- p-n Junction in reverse bias and forward bias
- n-p-n and p-n-p transistor
- Junction diode as a rectifier
- Zener diode as a voltage regulator
- Transistor as an amplifier
- Logic gates
|
| Communication Systems |
- Elements of communication system
- Propagation of em waves
- Basic terminologies of electronic communication system
- Amplitude modulation
|
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